problems, as well. >>> thefirstdebatebetweenmitt romney andbarackobamaisone day away. both candidates are behind closed doors getting ready. the outcome of the debates could help decide the election. but both campaigns are downplaying expectation. cbs reporter tara mergener has more from the white house. >> reporter: workers are setting the stage for wednesday night's presidential debate at the university of denver. both candidates are behind closed doors today getting ready. mitt romney is preparing in colorado and the latest polls show he is trailing the president in most swing states. >> we can do this. >> reporter: his running mate paul ryan is on a bus tour working to sway voters in iowa. >> our goal is to earn your support. we want to deserve this victory. >> reporter: vice president joe biden is in the battleground state of north carolina today while president obama studies for the debate in nevada. he is holding practice sessions with former presidential candidate john kerry, playing the part of mitt romney. on monday, the president called campaign volunteers and to

because they're too good? >> reporter: privately,theobamacampaignis conceding that romney's extensive debate preparation paid off at a time when he needed a lift. many viewers saw a president not at the top of his game. >> he seemed nervous for some reason almost as though some questions threw him and mitt romney seem to throw them off as well. >> reporter: but not everyone is giving the win to romney. >> obama was more comfortable with his ideas. romney was working too hard trying to convince people because he was down in the polls. >> reporter: they debate two more times. next someone a town hall style event in new york. tara mergener for cbs news, the white house. >>> bay area teens using social media to stand up to bullies. >> but first, in today's healthwatch, the connection between steroids injections and a meningitis outbreak. >> this is an lapd vehicle. good afternoon, i'm roberta gonzales on a marine convoy from san francisco to alameda. it's all a part of fleet week with mobile weather. >> look good, roberta. i like it. all right. as far as your forecast goes, cooler weather